25 instances from 6 years 2021 - 1 instance Jan Feb Mar Apr May Jun 27 Jul Aug Sep Oct Nov Dec 2020 - 3 instances Jan Feb Mar Apr May Jun 28 Jul 20 2 Jul 20, 2020 2 instances 08:04:54 08:05:38 Aug Sep Oct Nov Dec 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 04:21:03 04:21:07 04:21:26 Jul Aug Sep Oct Nov Dec 2017 - 4 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 09:44:53 09:48:54 Jul Aug Sep Oct Nov Dec 25 2016 - 13 instances Jan Feb Mar Apr May Jun 20 4 Jun 20, 2016 4 instances 12:09:42 12:50:32 13:09:32 13:35:42 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 16:16:56 16:31:44 16:37:28 16:40:25 30 Oct 3 3 Oct 3, 2016 3 instances 14:52:19 15:00:23 15:17:56 Nov Dec 29 2015 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 16